#include "csapp.h"
#define N 2

int main()
{
	int status, i;
	pid_t pid;

	/* Parent creates N children */
	for (i = 0; i < N; i++)
		if ((pid = Fork()) == 0)	/* Child */
			exit(100+i);

	/* Parent reaps N children in no particular order */
	while ((pid = waitpid(-1, &status, 0)) > 0) {
		if (WIFEXITED(status))
			printf("child %d terminated normally with exit status=%d\n",
					pid, WEXITSTATUS(status));
		else
			printf("child %d terminated abnormally\n", pid);
	}

	/* The only normal termination is if there are no more children */
	if (errno != ECHILD)
		unix_error("waitpid error");

	exit(0);
}
